Fig. 2From: Tuning the Optical Properties of CsPbBr3 Nanocrystals by Anion Exchange Reactions with CsX Aqueous SolutionUltrasonication time dependent absorption and emission of CsPbBr3 NCs exchanged with CsX aqueous solutions (1 mol/L). a Absorption spectra, b emission spectra, and c emission peak energy (black square) and emission bandwidth (blue circle) of CsPbBr3 NCs exchanged in CsI aqueous solution. d Absorption spectra, e emission spectra, and f emission peak energy (black square) and emission bandwidth (blue circle) of CsPbBr3 NCs exchanged in CsCl aqueous solutionBack to article page